Turn on the PC and press the key that opens the boot-device selection menu for the computer, such as the Esc/F10/F12 keys. For more information, see Automate Windows Setup. Optional: add an unattend file to automate the installation process. Use File Explorer to copy and paste the entire contents of the Windows product DVD or ISO to the USB flash drive. Step 2 - Copy Windows Setup to the USB flash drive
This guide outlines the steps to create a bootable media that enables S mode during the installation of Windows 10 Pro 64-bit, but the instructions should also work for Windows 10 Home and the Enterprise edition.If Mark Partition as Active isn't available, you can instead use diskpart to select the partition and mark it active. If you need assistance to perform a clean installation of Windows 10, we got you covered with this guide.
Once you have the installation media created with the modified image, you can proceed to install Windows 10 as you would typically do, but the installation will now be configured with S mode enabled.